+ add gc-usage mode for jvm

apps/tomcat/jmx/plugin.pm

@@ -31,12 +31,13 @@ sub new {
 
     $self->{version} = '0.1';
     %{$self->{modes}} = (
-                          'memory-detailed'  => 'centreon::common::jvm::mode::memorydetailed',
-                          'memory'           => 'centreon::common::jvm::mode::memory',
-                          'fd-usage'         => 'centreon::common::jvm::mode::fdusage',
-                          'load-average'     => 'centreon::common::jvm::mode::loadaverage',
-                          'cpu-load'         => 'centreon::common::jvm::mode::cpuload',
                           'class-count'      => 'centreon::common::jvm::mode::classcount',
+                          'cpu-load'         => 'centreon::common::jvm::mode::cpuload',
+                          'fd-usage'         => 'centreon::common::jvm::mode::fdusage',
+                          'gc-usage'         => 'centreon::common::jvm::mode::gcusage',
+                          'load-average'     => 'centreon::common::jvm::mode::loadaverage',
+                          'memory'           => 'centreon::common::jvm::mode::memory',
+                          'memory-detailed'  => 'centreon::common::jvm::mode::memorydetailed',
                           'threads'          => 'centreon::common::jvm::mode::threads',
                          );
 

centreon/common/jvm/mode/gcusage.pm

@@ -0,0 +1,139 @@
+#
+# Copyright 2017 Centreon (http://www.centreon.com/)
+#
+# Centreon is a full-fledged industry-strength solution that meets
+# the needs in IT infrastructure and application monitoring for
+# service performance.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+package centreon::common::jvm::mode::gcusage;
+
+use base qw(centreon::plugins::templates::counter);
+
+use strict;
+use warnings;
+use Digest::MD5 qw(md5_hex);
+
+sub set_counters {
+    my ($self, %options) = @_;
+    
+    $self->{maps_counters_type} = [
+        { name => 'gc', type => 1, cb_prefix_output => 'prefix_gc_output', message_multiple => 'All garbage collectors are ok' }
+    ];
+    
+    $self->{maps_counters}->{gc} = [
+        { label => 'time', set => {
+                key_values => [ { name => 'time', diff => 1 }, { name => 'display' } ],
+                output_template => 'Collection Time : %s ms',
+                perfdatas => [
+                    { label => 'time', value => 'time_absolute', template => '%s',
+                      unit => 'ms', min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+        { label => 'count', set => {
+                key_values => [ { name => 'count', diff => 1 }, { name => 'display' } ],
+                output_template => 'Collection Count : %s',
+                perfdatas => [
+                    { label => 'count', value => 'count_absolute', template => '%s',
+                      min => 0, label_extra_instance => 1, instance_use => 'display_absolute' },
+                ],
+            }
+        },
+    ];
+}
+
+sub prefix_gc_output {
+    my ($self, %options) = @_;
+    
+    return "Garbage collector '" . $options{instance_value}->{display} . "' ";
+}
+
+sub new {
+    my ($class, %options) = @_;
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
+    bless $self, $class;
+    
+    $self->{version} = '1.0';
+    $options{options}->add_options(arguments =>
+                                {
+                                "filter-name:s"           => { name => 'filter_name' },
+                                });
+    return $self;
+}
+
+sub manage_selection {
+    my ($self, %options) = @_;
+
+    $self->{request} = [
+         { mbean => "java.lang:type=GarbageCollector,name=*", attributes => [ { name => 'CollectionCount' }, { name => 'CollectionTime' } ] }
+    ];
+
+    $self->{gc} = {};
+    my $result = $options{custom}->get_attributes(request => $self->{request}, nothing_quit => 1);
+
+    foreach my $key (keys %$result) { 
+        $key =~ /name=(.*?)(?:,|$)/;
+        my $name = $1;
+    
+        $self->{gc}->{$name} = { 
+            display => $name, 
+            time => $result->{$key}->{CollectionTime},
+            count => $result->{$key}->{CollectionCount}
+        }
+    }
+    
+    if (scalar(keys %{$self->{gc}}) <= 0) {
+        $self->{output}->add_option_msg(short_msg => "No garbage collector found.");
+        $self->{output}->option_exit();
+    }
+    
+    $self->{cache_name} = "jvm_standard_" . $self->{mode} . '_' . md5_hex($options{custom}->{url}) . '_' .
+        (defined($self->{option_results}->{filter_counters}) ? md5_hex($self->{option_results}->{filter_counters}) : md5_hex('all')) . '_' .
+        (defined($self->{option_results}->{filter_name}) ? md5_hex($self->{option_results}->{filter_name}) : md5_hex('all'));
+}
+
+1;
+
+__END__
+
+=head1 MODE
+
+Check garbage collectors.
+
+=over 8
+
+=item B<--filter-counters>
+
+Only display some counters (regexp can be used).
+Example: --filter-counters='^count$'
+
+=item B<--filter-name>
+
+Filter garbage collector name (can be a regexp).
+
+=item B<--warning-*>
+
+Threshold warning.
+Can be: 'count', 'time' (ms).
+
+=item B<--critical-*>
+
+Threshold critical.
+Can be: 'count', 'time' (ms).
+
+=back
+
+=cut